Home / 64,479,345.40-96,719,018.10-60,784,190.20

Finding the Fourth Proportional to 64,479,345.40, 96,719,018.10 and 60,784,190.20

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Solution

The fourth proportional to 64,479,345.40, 96,719,018.10 and 60,784,190.20 is: 91,176,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,479,345.40 : 96,719,018.10 = 60,784,190.20 : x
  2. Step 2: Convert to fraction form
    64,479,345.40/96,719,018.10 = 60,784,190.20/x
  3. Step 3: Cross multiply
    64,479,345.40x = 96,719,018.10 × 60,784,190.20
  4. Step 4: Simplify right side
    64,479,345.40x = 5,878,987,192,147,643
  5. Step 5: Solve for x
    x = 5,878,987,192,147,643/64,479,345.40
  6. Step 6: Final answer
    x = 91,176,285.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.